package com.hjl.spring6.aop.xmlaop;

/**
 * @author ServivE
 * @version 0.1
 * @className Calculator
 * @description
 * @date 2024/8/7 11:38
 * @since jdk11
 */
public interface Calculator {
    int add(int i, int j);

    int sub(int i, int j);

    int mul(int i, int j);

    int div(int i, int j);
}
